[FREE] Pick Number Game - Let's explore your math skills

[Google Play Store] link : play.google.com/store/apps/details?id=com.picknumberFree.app_game
( You can see some image of the game through link )

Description :
You choose the numbers and operators combine the results of calculations correctly. The numbers range from 1 to 9 and calculations include addition(+), subtraction(-), multiplication(x), division(/). Have 9 levels. For each level have change operations.